P275NL1 1.0488 - EN 10216-3-2013

Grade	P275NL1
European Standard Steel Grade	1.0488
Corresponding Standard	EN 10216-3-2013 Seamless Steel Tubes for Pressure Purposes - Technical Delivery Conditions - Part 3: Alloy Fine Grain Steel Tubes
Classification	Alloy Steel

P275NL1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	Al ^ⓑ	More
Minimum Value	-	-	0.5	-	-	-	-	-	-	-	-	-	-	0.02	Nb+Ti+V ≤0.05；Cr+Cu+Mo≤0.45；Al/N≥2ⓑ
Maximum Value	0.16	0.4	1.5	0.025	0.008	0.3	0.5	0.3	0.08	0.02	0.04	0.05	0.05	-	Nb+Ti+V ≤0.05；Cr+Cu+Mo≤0.45；Al/N≥2ⓑ

P275NL1 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
t≤20	Normalizing (+N)	390~530	≥275	≥24（l） ≥22（T）
20＜t≤40	Normalizing (+N)	390~510	≥275	≥24（l） ≥22（T）
40＜t≤50	Normalizing (+N)	390~510	≥265	≥24（l） ≥22（T）
50＜t≤65	Normalizing (+N)	390~510	≥255	≥24（l） ≥22（T）
65＜t≤80	Normalizing (+N)	360~480	≥245	≥24（l） ≥22（T）
80＜t≤100	Normalizing (+N)	360~480	≥235	≥24（l） ≥22（T）

1 Approximate Comparison Table

International Organization for Standardization		European Standard
ISO	Numerical Grade	EN	Numerical Grade
P275NL1	1.0488	P275NL1	1.0488

2 Approximate Comparison Table High-Quality Carbon Structural Steel

P275NL1 Corresponding Standards(Same grade name, different standards)

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